The 1990 Canadian Football League season is considered to be the 37th season in modern-day Canadian football, although it is officially the 33rd Canadian Football League season.

J. Donald Crump was appointed as the eighth CFL Commissioner on Friday, January 5.

The CFL Annual Meetings-Canadian College Draft was held in Hamilton for the third straight year.

The CFL increased roster limit to 37 players to include 20-Non Imports, 14-Imports and 3-Quarterbacks with the reserve list remaining at two players.

The Toronto Argonauts and the BC Lions set a record for most points in a game when they scored 111 points on Saturday, September 1 at the SkyDome. The Argonauts won the game 68–43.

The BC Lions added silver to its colours. In addition, Vancouver played host to the Grey Cup game for the 11th time.

Note: GP = Games Played, W = Wins, L = Losses, T = Ties, PF = Points For, PA = Points Against, Pts = Points

The Winnipeg Blue Bombers are the 1990 Grey Cup champions, humiliating the Edmonton Eskimos 50–11, at Vancouver's BC Place Stadium. The Blue Bombers' Tom Burgess (QB) was named the Grey Cup's Most Valuable Player on Offence and Greg Battle (LB) was named Grey Cup's Most Valuable Player on Defence, while Warren Hudson (FB) was named the Grey Cup's Most Valuable Canadian.

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